500d37e3f8195df23609f5f40a7807b685e55a35aefa1a7c72afc2fecf911705

Analysis

max time kernel
117s
max time network
118s
platform
windows7_x64
resource
win7-20240704-en
resource tags

arch:x64arch:x86image:win7-20240704-enlocale:en-usos:windows7-x64system
submitted
18-09-2024 21:35

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General

Target

500d37e3f8195df23609f5f40a7807b685e55a35aefa1a7c72afc2fecf911705.exe
Size

93KB
MD5

2f4f311e0ed9978d1eeb92f78543067c
SHA1

f10ac269d08a254851cfa751a70031f2cd7b2adf
SHA256

500d37e3f8195df23609f5f40a7807b685e55a35aefa1a7c72afc2fecf911705
SHA512

2a0acd043ee59345523186bd0f5170b645ead44f76d3ba66480ba5326bbbc2be7cead26d963a0dfe1aa372aa1fd3cfda3b677da28a3108fbcfcdefa45a4f3d5a
SSDEEP

1536:PGYU/W2/HG6QMauSV3ixJHABLrmhH7i9CO+WHg7zRZICrWaGZh7I:PfU/WF6QMauSuiWNi9CO+WARJrWNZ6

Score

7^/10

defense_evasion discovery persistence

Malware Config

Signatures

Deletes itself 1 IoCs

pid	Process
2748	cmd.exe

Executes dropped EXE 1 IoCs

pid	Process
2552	wuauclt.exe

Loads dropped DLL 1 IoCs

pid	Process
2476	500d37e3f8195df23609f5f40a7807b685e55a35aefa1a7c72afc2fecf911705.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\Window Update = "\"C:\\ProgramData\\Update\\wuauclt.exe\" /run"	500d37e3f8195df23609f5f40a7807b685e55a35aefa1a7c72afc2fecf911705.exe

Indicator Removal: File Deletion 1 TTPs
Adversaries may delete files left behind by the actions of their intrusion activity.
defense_evasion

File Deletion
T1070.004

System Location Discovery: System Language Discovery 1 TTPs 3 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	wuauclt.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	500d37e3f8195df23609f5f40a7807b685e55a35aefa1a7c72afc2fecf911705.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 2476 wrote to memory of 2552	2476	500d37e3f8195df23609f5f40a7807b685e55a35aefa1a7c72afc2fecf911705.exe	30
PID 2476 wrote to memory of 2552	2476	500d37e3f8195df23609f5f40a7807b685e55a35aefa1a7c72afc2fecf911705.exe	30
PID 2476 wrote to memory of 2552	2476	500d37e3f8195df23609f5f40a7807b685e55a35aefa1a7c72afc2fecf911705.exe	30
PID 2476 wrote to memory of 2552	2476	500d37e3f8195df23609f5f40a7807b685e55a35aefa1a7c72afc2fecf911705.exe	30
PID 2476 wrote to memory of 2748	2476	500d37e3f8195df23609f5f40a7807b685e55a35aefa1a7c72afc2fecf911705.exe	32
PID 2476 wrote to memory of 2748	2476	500d37e3f8195df23609f5f40a7807b685e55a35aefa1a7c72afc2fecf911705.exe	32
PID 2476 wrote to memory of 2748	2476	500d37e3f8195df23609f5f40a7807b685e55a35aefa1a7c72afc2fecf911705.exe	32
PID 2476 wrote to memory of 2748	2476	500d37e3f8195df23609f5f40a7807b685e55a35aefa1a7c72afc2fecf911705.exe	32

C:\Users\Admin\AppData\Local\Temp\500d37e3f8195df23609f5f40a7807b685e55a35aefa1a7c72afc2fecf911705.exe
"C:\Users\Admin\AppData\Local\Temp\500d37e3f8195df23609f5f40a7807b685e55a35aefa1a7c72afc2fecf911705.exe"
1⤵
- Loads dropped DLL
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2476
- C:\ProgramData\Update\wuauclt.exe
  "C:\ProgramData\Update\wuauclt.exe" /run
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  PID:2552
- C:\windows\SysWOW64\cmd.exe
  "C:\windows\system32\cmd.exe" /c del /q "C:\Users\Admin\AppData\Local\Temp\500d37e3f8195df23609f5f40a7807b685e55a35aefa1a7c72afc2fecf911705.exe" >> NUL
  2⤵
  - Deletes itself
  - System Location Discovery: System Language Discovery
  PID:2748

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

Indicator Removal

T1070

File Deletion

T1070.004

Modify Registry

T1112

Credential Access

Discovery

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

\ProgramData\Update\wuauclt.exe

Filesize
93KB

MD5
2a3414f8a83fc8343dc829378e0970d5

SHA1
9875c07ee03500d31df4fb899a8710a49d8cab8e

SHA256
5d165e6dffe70a22860c28b6af0ae889dc690abb03144b4f6f7fe1e1b9a82e9a

SHA512
bbc64dd8e1962ea444d574a066a440fe272198cefde353739ab50cbbc653b62b6345a1010ca1f745a3863221eed0d235db570c82fa8453dce32c969481df62e9

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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads